diff --git a/tools/gatt-service.c b/tools/gatt-service.c
index 0c78c4d..1cf8b3c 100644
--- a/tools/gatt-service.c
+++ b/tools/gatt-service.c
@@ -407,6 +407,8 @@ static int parse_options(DBusMessageIter *iter, const char **device)
 			dbus_message_iter_get_basic(&value, device);
 			printf("Device: %s\n", *device);
 		}
+
+		dbus_message_iter_next(&dict);
 	}
 
 	return 0;